Abaixo está uma instrução que descreve uma tarefa de geração de SQL, combinada com uma entrada que fornece mais contexto sobre os esquemas de tabela disponíveis. Escreva o código SQL que responda adequadamente à solicitação
 ###Instrução: Qual método de rastreamento possui a versão estável mais recente de 6.0?
 ###Tabelas: CREATE TABLE historical_population (historical_population_id AUTO_INCREMENT PRIMARY KEY, Rank VARCHAR, County VARCHAR, % (1960) INT, % (2000) INT, % (2040) INT) CREATE TABLE free___open_source_floss (free___open_source_floss_id AUTO_INCREMENT PRIMARY KEY, Name VARCHAR, Platform VARCHAR, Supported databases VARCHAR, Tracking Method VARCHAR, Latest stable release VARCHAR, License VARCHAR) CREATE TABLE supplemental_first_round_selections (supplemental_first_round_selections_id AUTO_INCREMENT PRIMARY KEY, Pick INT, Player VARCHAR, Team VARCHAR, Position VARCHAR, School VARCHAR) CREATE TABLE senate_time (senate_time_id AUTO_INCREMENT PRIMARY KEY, Total tenure rank INT, Uninterrupted rank INT, Name VARCHAR, State represented VARCHAR, Total tenure time VARCHAR, Uninterrupted time VARCHAR) CREATE TABLE coaches'_poll (coaches'_poll_id AUTO_INCREMENT PRIMARY KEY, Week 1 Sept 2 VARCHAR, Week 2 Sept 7 VARCHAR, Week 3 Sept 14 VARCHAR, Week 5 Sept 28 VARCHAR, Week 6 Oct 5 VARCHAR, Week 7 Oct 12 VARCHAR, Week 10 Nov 2 VARCHAR, Week 13 Nov 23 VARCHAR, Week 14 Nov 30 VARCHAR, Week 15 Dec 7 VARCHAR, Week 16 (Final) Jan 9 VARCHAR)  
SELECT Tracking Method FROM free___open_source_floss WHERE Latest sfree___open_source_floss release = 6.0